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CN1122414C - 将图象数据存入存储器前按显示装置分辨率对图象数据去压缩和再压缩的mpeg系统和方法 - Google Patents

将图象数据存入存储器前按显示装置分辨率对图象数据去压缩和再压缩的mpeg系统和方法 Download PDF

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Publication number
CN1122414C
CN1122414C CN97113804A CN97113804A CN1122414C CN 1122414 C CN1122414 C CN 1122414C CN 97113804 A CN97113804 A CN 97113804A CN 97113804 A CN97113804 A CN 97113804A CN 1122414 C CN1122414 C CN 1122414C
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CN
China
Prior art keywords
compression
information
network
memory
data
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN97113804A
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English (en)
Chinese (zh)
Other versions
CN1170314A (zh
Inventor
B·A·肯菲尔德
W·M·林
小·B·W·拜尔斯
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Technicolor USA Inc
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Thomson Consumer Electronics Inc
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Publication of CN1170314A publication Critical patent/CN1170314A/zh
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Publication of CN1122414C publication Critical patent/CN1122414C/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
CN97113804A 1996-06-19 1997-06-18 将图象数据存入存储器前按显示装置分辨率对图象数据去压缩和再压缩的mpeg系统和方法 Expired - Fee Related CN1122414C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/666774 1996-06-19
US08/666,774 US5825424A (en) 1996-06-19 1996-06-19 MPEG system which decompresses and recompresses image data before storing image data in a memory and in accordance with a resolution of a display device

Publications (2)

Publication Number Publication Date
CN1170314A CN1170314A (zh) 1998-01-14
CN1122414C true CN1122414C (zh) 2003-09-24

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CN97113804A Expired - Fee Related CN1122414C (zh) 1996-06-19 1997-06-18 将图象数据存入存储器前按显示装置分辨率对图象数据去压缩和再压缩的mpeg系统和方法

Country Status (7)

Country Link
US (1) US5825424A (es)
EP (1) EP0814616A3 (es)
JP (2) JPH1066064A (es)
KR (1) KR100598468B1 (es)
CN (1) CN1122414C (es)
MX (1) MX9704580A (es)
SG (1) SG66371A1 (es)

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Also Published As

Publication number Publication date
KR100598468B1 (ko) 2006-10-13
EP0814616A2 (en) 1997-12-29
CN1170314A (zh) 1998-01-14
US5825424A (en) 1998-10-20
KR980007747A (ko) 1998-03-30
JPH1066064A (ja) 1998-03-06
HK1007920A1 (en) 1999-04-30
JP2007097208A (ja) 2007-04-12
EP0814616A3 (en) 2001-06-20
SG66371A1 (en) 1999-07-20
MX9704580A (es) 1997-12-31

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